URLs

• https://www.pixiv.net/users/127314
• https://www.pixiv.net/stacc/seisei1000
• https://twitter.com/seisei1001
• https://twitter.com/intent/user?user_id=214284051
• https://seiga.nicovideo.jp/user/illust/16770648
• https://www.nicovideo.jp/user/16770648
• https://sketch.pixiv.net/@seisei1000
• http://twitpic.com/photos/seisei1001